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package/pkg-generic: handle host-xz as an extract dependency

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This moves the host-xz dependency handling from
DEPENDENCY_HOST_PREREQ to an extract dependency.

To achieve that, check-host-xz.mk fills in the
BR2_XZ_HOST_DEPENDENCY with host-xz if building a host-xz is
needed. The name BR2_XZ_HOST_DEPENDENCY has been chosen because it
matches the name BR2_CMAKE_HOST_DEPENDENCY already used in
check-host-cmake.mk.

The BR2_XZ_HOST_DEPENDENCY is added to all packages, except:

 - host-xz, because we would otherwise depend on ourself.

 - host-tar, because xz itself is delivered as a tarball, so we need
   to have host-xz depend on host-tar, and not host-tar depend on
   host-xz

 - host-skeleton, because we need to have host-xz depend on
   host-skeleton, and not the opposite.

In addition, we modify xz.mk to explicitly build host-xz without
ccache. We generally took the approach of building host-ccache *after*
all the extractors have been built.

[Peter: fix s/host-tar/host-xz/ typo]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2018-03-24 15:20:04 +01:00 committed by Peter Korsgaard
parent e77013a3c4
commit f13fdc45e8
3 changed files with 10 additions and 1 deletions
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4
package/pkg-generic.mk
View File

@ -559,6 +559,10 @@ ifeq ($(filter host-tar host-skeleton,$(1)),)
$(2)_EXTRACT_DEPENDENCIES += $(BR2_TAR_HOST_DEPENDENCY)
endif
ifeq ($(filter host-tar host-skeleton host-xz,$(1)),)
$(2)_EXTRACT_DEPENDENCIES += $(BR2_XZCAT_HOST_DEPENDENCY)
endif
# Eliminate duplicates in dependencies
$(2)_FINAL_DEPENDENCIES = $$(sort $$($(2)_DEPENDENCIES))
$(2)_FINAL_EXTRACT_DEPENDENCIES = $$(sort $$($(2)_EXTRACT_DEPENDENCIES))

5
package/xz/xz.mk
View File

@ -18,5 +18,10 @@ else
XZ_CONF_OPTS = --disable-threads
endif
# we are built before ccache
HOST_XZ_CONF_ENV = \
CC="$(HOSTCC_NOCCACHE)" \
CXX="$(HOSTCXX_NOCCACHE)"
$(eval $(autotools-package))
$(eval $(host-autotools-package))

2
support/dependencies/check-host-xzcat.mk
View File

@ -2,7 +2,7 @@
# If it is not present, build our own host-xzcat
ifeq (,$(call suitable-host-package,xzcat,$(XZCAT)))
DEPENDENCIES_HOST_PREREQ += host-xz
BR2_XZCAT_HOST_DEPENDENCY = host-xz
EXTRACTOR_DEPENDENCY_PRECHECKED_EXTENSIONS += .xz .lzma
XZCAT = $(HOST_DIR)/bin/xzcat
endif